<html>
<head>
<title>jQuery Hello World</title>

		<link type="text/css" href="css/ui-lightness/jquery-ui-1.8.15.custom.css" rel="stylesheet" />	
		<script type="text/javascript" src="js/jquery-1.6.2.min.js"></script>
		<script type="text/javascript" src="js/jquery-ui-1.8.15.custom.min.js"></script>

</head>

<body>

	<style>
	.ui-autocomplete {
		max-height: 100px;
		overflow-y: auto;
		/* prevent horizontal scrollbar */
		overflow-x: hidden;
		/* add padding to account for vertical scrollbar */
		padding-right: 20px;
	}
	</style>

<script type="text/javascript">

$(document).ready(function(){
 
	var availableTags = [
			"ActionScript",
			"AppleScript",
			"Asp",
			"BASIC",
			"C",
			"C++",
			"Clojure",
			"COBOL",
			"ColdFusion",
			"Erlang",
			"Fortran",
			"Groovy",
			"Haskell",
			"Java",
			"JavaScript",
			"Lisp",
			"Perl",
			"PHP",
			"Python",
			"Ruby",
			"Scala",
			"Scheme"
		];
		$( "#tags" ).autocomplete({
			source: availableTags
		});
 });

</script>

This is Hello World by HTML

<div id="msgid">
</div>

<div class="ui-widget">
	<label for="tags">Tags: </label>
	<input id="tags">
</div>

</body>
</html>